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-rw-r--r--wt-status.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/wt-status.c b/wt-status.c
index 8827a256d3..fadbed0de9 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -2340,7 +2340,17 @@ int has_uncommitted_changes(int ignore_submodules)
if (ignore_submodules)
rev_info.diffopt.flags.ignore_submodules = 1;
rev_info.diffopt.flags.quick = 1;
+
add_head_to_pending(&rev_info);
+ if (!rev_info.pending.nr) {
+ /*
+ * We have no head (or it's corrupt); use the empty tree,
+ * which will complain if the index is non-empty.
+ */
+ struct tree *tree = lookup_tree(the_hash_algo->empty_tree);
+ add_pending_object(&rev_info, &tree->object, "");
+ }
+
diff_setup_done(&rev_info.diffopt);
result = run_diff_index(&rev_info, 1);
return diff_result_code(&rev_info.diffopt, result);